<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>属性选择器</title>
    <style>
        /* class名中含有w的 */
        /* div[class*="w"] {
            color: blueviolet;
        } */

        /* class名开头是o */
        /* div[class^="o"] {
            color: red;
        } */
        /* class名结尾是o */
        /* div[class$="o"] {
            color: red;
        } */
    </style>

</head>

<body>
    <div class="one">哈哈哈</div>
    <div class="two">呜呜呜</div>
</body>

</html>